BloombergLP::bdls::FdStreamBuf::underflow

Replenish the input buffer and return the next character of input.

Synopsis

Declared in <bdls_fdstreambuf.h>

virtual
int_type
underflow() override;

Description

Replenish the input buffer with data obtained from the file descriptor, and return the next character of input (or eof if no input is available). Note that in windows text mode, `\r ` sequences on the device will be translated to ` `s.

Return Value

the next character of input, or eof if none is available

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